Police stop motorcycle for defective taillight. Police note an odor of alcohol coming from driver as he answers questions. When asked if he’d been drinking Driver responds, “yes, a couple gin & tonics, a few beers.” No other indicators of impairment are present during initial conversation. Driver is arrested following standard field sobriety tests. Defense ready to present evidence of driver’s medical history, including orthopedic surgeries. DWI charge dismissed prior to trial.